jambul vs pommerac

jambul

noun
  • The plum-like fruit of this tree. 

  • An evergreen tropical tree, Syzygium cumini. 

pommerac

noun
  • The edible fruit of Syzygium malaccense. 

How often have the words jambul and pommerac occurred in a corpus of books? (source: Google Ngram Viewer )